I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Spot the cat in the picture below

What number divided by 4 is the same as that number minus 4?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

What is the below Rebus indicate?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Can you find the hidden mobile that is lost in the rug?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Forwards I am heavy, backward I am not. What am I?